Eliminating Server Stutter
Server Thread Hitch warnings are the most frequent indicator of performance degradation on a FiveM server. These warnings appear in your console when a script takes longer than 50ms to process its logic, leading to “rubber-banding” and AI synchronization issues for your players.
| Reading Time | Difficulty | Last Updated |
|---|
| 6 minutes | Intermediate | January 2026 |
Before you can fix a hitch, you must identify which resource is responsible. FiveM provides a built-in profiler for this purpose.
- Open your server Console (or txAdmin Console).
- Type
profiler record 500 to capture data for 500 ticks.
- Once finished, type
profiler save hitch_report.
- Type
profiler view hitch_report to generate a viewing link.
- Open the link in Google Chrome to see a timeline of every script’s CPU usage.
2. Common Causes
| Culprit | Description | Solution |
|---|
| Heavy Loops | A script running while true do without a Wait() command. | Add Citizen.Wait(0) or higher to allow the thread to rest. |
| SQL Queries | Sync-calling a database during a frame-loop. | Use asynchronous queries (oxmysql) to prevent the main thread from waiting. |
| Native Spams | Constant calls to GetEntityCoords for 100+ entities every frame. | Use a distance check with a longer delay (e.g., check every 500ms instead of every frame). |
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Last Updated: January 2026 | FiveM: Performance stabilized.